Home / 6,982.20-9,635.50-3,795.52

Finding the Fourth Proportional to 6,982.20, 9,635.50 and 3,795.52

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Solution

The fourth proportional to 6,982.20, 9,635.50 and 3,795.52 is: 5,237.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,982.20 : 9,635.50 = 3,795.52 : x
  2. Step 2: Convert to fraction form
    6,982.20/9,635.50 = 3,795.52/x
  3. Step 3: Cross multiply
    6,982.20x = 9,635.50 × 3,795.52
  4. Step 4: Simplify right side
    6,982.20x = 36,571,732.96
  5. Step 5: Solve for x
    x = 36,571,732.96/6,982.20
  6. Step 6: Final answer
    x = 5,237.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.